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Finding the Fourth Proportional to 46,750.48, 70,124.60 and 11,690.10

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Solution

The fourth proportional to 46,750.48, 70,124.60 and 11,690.10 is: 17,534.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,750.48 : 70,124.60 = 11,690.10 : x
  2. Step 2: Convert to fraction form
    46,750.48/70,124.60 = 11,690.10/x
  3. Step 3: Cross multiply
    46,750.48x = 70,124.60 × 11,690.10
  4. Step 4: Simplify right side
    46,750.48x = 819,763,615.69
  5. Step 5: Solve for x
    x = 819,763,615.69/46,750.48
  6. Step 6: Final answer
    x = 17,534.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.